William turnbull



N0. 62I,388. Patented Mar. 2|, I899. W. TURNBULL. APPARATUS FOR DRAWING DFF FIXED QUANTITIES DF LIDUIDS.

(Apylication filed Oct. 15, 1898.)

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\VILLIAM TURNBULL, OF WELLINGTON, NEXV ZEALAND.

fiPEGIFICATION formingpart of Letters Patent No. 621,388, dated March 21, 1899. Application filed October 15, 1898. Serial No. 693,628. (No model.)

To all whOm, it may concern:

Be it known that I,WILLIAM TURNBULL, a subject of the Queen of Great Britain, residing at 54 Lambton Quay, lVellington, New Zealand, have invented an ImprovedApparatus for Drawing Off Fixed Quantities of Liquids, of which the following is a specification.

This invention relates to apparatus used for drawing off liquids in fixed quantities, and is more especiallyapplicable for use in waterclosets, for flushing drains, drawing beer, and like purposes.

The object of the invention is to provide apparatus whereby a fixed maximum of water to be drawn for such purposes as flushing a water-closet cannot be exceeded each time the apparatus is operated.

lVit'h the apparatus at present in use it is possible to leavethe water running; but such waste is prevented when my apparatus is used, because the water will be shut off after the determined quantity has passed, independently of holding or releasing the handle which sets the apparatus in operation.

WVith my invention the noise occasioned in water-closets by the siphon is entirely avoided, two or more water-closets may be served from one cistern, and a saving of cost thus effected in a building provided with a number of closets. Escape of gas from the drain cannot take place, as occurs with the present ball-cock when the water is shut off at the main, and since the cistern maybe large and is not emptied each time my apparatus is used the closets may be flushed for some time after water has been shut off at the main.

In order that the invention may be readily understood, I will now give a detailed description of the apparatus as applied to flushing a water-closet, from which description'a skilled person will be able readily to adapt the apparatus to other purposes.

The drawings are appended and form part of this specification.

Figure 1 is a sectional elevation of'the apparatus. Fig. 2 is a plan of the same, partly in section. Fig. 3 is a sectional elevation of part of the apparatus. Fig. a is a View of the top of a dome. Fig. 5 is a View of the top of a weight. Fig. 6 isa side view of the top of a piston-rod.

.by means of its jaw 9 and pin 10.

Similar figures of reference indicate corresponding parts throughout the views.

Describing the invention by aid of the drawings, the dome or vessel 1 has a piston 2, a Weighted valve 3, and a piston-rod 4, passing through: the weight 5, valve-seat 6, and valve 7 to the slotted lever 8, to which it is coupled The lever 8 is fixed to the spindle 11 and operated by the handle 12. The said spindle 11 is carried in a bracket 13, formed upon the outer casing 14, the pivot 15 fitting into the end 16 of the said bracket, which at its outer end has a stutfing-box 17 to receive the collar 18 of the spindle 11. Bymeans of the gland 19 the spindle may be held in position and leakage of water prevented.

The piston'2 has a vent-screw 20, preferably split, as shown, so that by turning the screw the size of the passage through the vent may be increased or decreased, as desired.

The valve 3 has aface 21, of leather or the like, which in normal conditions rests upon the seating 22, formed upon the base or nozzle 23. The inverted cup 24 is secured to the valve 3 by the screw 25, and preferably has a scalloped edge 25.

The dome 1 screws upon the base 23 and is perforated with holes 26. In the top of the dome is a vent 30, which may be made similar to vent 20, or, as shown, comprises a valveseat with a screw 31 fitted into the upper part of the same. The conical end of the screw maybe brought to close the opening 32 in the dome, and by adjusting the said screw the flow of water through the vent may be regulated as required. The vent is shown in section in Fig. 1, in elevation in Fig. 3, and in plan in Fig. 4:. The arrows indicate the direction in which the water enters.

The nozzle 27 is connected to the watermain or to a supply-tank and the base 23 to the pan of the closet.

When the lever Sis raised, the piston 2 will be drawn upward. The water contained in the upper part of the dome 1 lifting the valve 7 and its weight 5 and finding its way around the weight 5 and through the holes 6 will pass into the outer casing 14. A partial vacuum will be formed between the piston 2 and valve 3, with the result that the valve 3, with its Valve-face 21, will follow the piston 2 in its upward stroke, as shown by Fig. 3, and,uncovering the valve-seat 22, will leave a passage for the water from the outer casing 14 to the base 23 and thence to the pan of the closet. As soon as the movement of the lever S is arrested the valve 3-will commence to descend and the valve 7 will close. The speed at which the valve 3 will descend is regulated by adjusting the vents 80 and 20, through which the water is allowed to flow from the outer casing 14 at any desired speed. Thus an unlimited quantity of water cannot pass from the nozzle 27 to the closet by holding the handle 12 after the lever 8 has been raised, but the valve 3 will fall whether the handle is held or released.

In practice the handle 12 will usually be released immediately after it has been operated, and in such cases the piston 2 and valve 3 will descend together, and the regulating of the descent of the two parts falling together may be effected by the vent 30 alone.

The apparatus may be adjusted to different pressures by screwing down the dome until the holes 26 are partially covered and the cup 2i is provided to descend through and partially close the passage into the base 23, and thus shut oif the water without shock when the valve 3 reaches its seat 22. The scalloped edge 25 of the cup provides for the still more gentle closing of the valve 3.

I prefer to place the nozzle 27 near the top of the apparatus to prevent air collecting in that part; but I also provide a screw-cap 28, which maybe unscrewed to allowair to escape in the event of its accidentally collecting.

The top of weight 5 has ribs 29 to arrest the lift of the said weight and prevent the holes 6 from being so covered as to impede the passage of water.

By my apparatus the amount of water allowed to flow from the main or from a cistern may be regulated with the greatest exactitude.

It is obvious that I may dispense with the lever S and handle 12 and carry the pistonrod upward through the cap 28 and operate the same directly by the hand.

Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is 1. In an apparatus for drawing oif fixed quantities of liquids, in combination, an outer casing, a dome within the casing having perforations in its lower part and having a restricted opening in its upper part for the admission of fluid, a weighted va'lve closing an exit-openin g in the top of said dome, a vented piston having a rod extending through the top of the dome with means for operating the same, and a valve below the piston, substantially as described.

2. In an apparatus for drawing oft fixed quantities of liquids in combination an outer casing having a nozzle at its upper part and anozzle at its lower part a removable cap closing an air-escape opening in the upper part of the outer casing a dome within the casing having perforations in its lower part a piston having a vent a weighted valve and a vent in the top of the dome ribs upon the top of said weighted valve a piston-rod car- .rying the piston a lever and handle for operating the piston and a valve below the piston, substantially as set forth herein.

3. In an apparatus for drawing off fixed quantities of liquids in combination an outer casing a dome within the casing having perforations in its lower part said dome being screw-threaded so that its perforations may be partially closed a piston having a vent a weighted valve and a vent in the top of the dome a piston-rod carrying the piston and passing through the top of the dome means for operating the piston and a valve below the piston, substantially as set forth herein.

t. In an apparatus for drawing off fixed quantities of liquids in combination an outer casing a dome within the casing having perforations in its lower part a piston having an adjustable vent a weighted valve and a vent in the top of the dome a piston-rod carrying the piston and passing through the top of the dome a lever and handle for operating the piston a bracket having a stuffing-box for carrying the spindle of the said lever and handle and a valve below the piston, substantially as set forth herein.

5. In an apparatus for drawing off fixed quantities of liquids a piston a weighted valve below the piston a dome for containing the said piston and valve means for raising the said piston so that a partial vacuum is formed below the piston to raise the valve vents in the piston and dome to provide for the descent of the valve and a weighted non-return valve in the top of the dome, substantially as set forth herein.

In witness whereof I have hereunto set my hand in the presence of two witnesses.

WILLIAM TURNBULL.

\Vitnesses:

E. S. BALDWIN, W. E. HUGHES. 

